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1 /* | 1 /* |
2 * Copyright (C) 2011, 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2011, 2012 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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2888 { | 2888 { |
2889 if (!settings()->viewportEnabled() || !page() || !m_size.width || !m_size.he
ight) | 2889 if (!settings()->viewportEnabled() || !page() || !m_size.width || !m_size.he
ight) |
2890 return; | 2890 return; |
2891 | 2891 |
2892 ViewportDescription adjustedDescription = description; | 2892 ViewportDescription adjustedDescription = description; |
2893 if (settingsImpl()->viewportMetaLayoutSizeQuirk() && adjustedDescription.typ
e == ViewportDescription::ViewportMeta) { | 2893 if (settingsImpl()->viewportMetaLayoutSizeQuirk() && adjustedDescription.typ
e == ViewportDescription::ViewportMeta) { |
2894 if (adjustedDescription.maxWidth.type() == ExtendToZoom) | 2894 if (adjustedDescription.maxWidth.type() == ExtendToZoom) |
2895 adjustedDescription.maxWidth = Length(); // auto | 2895 adjustedDescription.maxWidth = Length(); // auto |
2896 const int legacyWidthSnappingMagicNumber = 320; | 2896 const int legacyWidthSnappingMagicNumber = 320; |
2897 if (adjustedDescription.maxWidth.isFixed() && adjustedDescription.maxWid
th.value() <= legacyWidthSnappingMagicNumber) | 2897 if (adjustedDescription.maxWidth.isFixed() && adjustedDescription.maxWid
th.value() <= legacyWidthSnappingMagicNumber) |
2898 adjustedDescription.maxWidth = Length(100, ViewportPercentageWidth); | 2898 adjustedDescription.maxWidth = Length(DeviceWidth); |
2899 if (adjustedDescription.maxHeight.isFixed() && adjustedDescription.maxWi
dth.value() <= m_size.height) | 2899 if (adjustedDescription.maxHeight.isFixed() && adjustedDescription.maxWi
dth.value() <= m_size.height) |
2900 adjustedDescription.maxHeight = Length(100, ViewportPercentageHeight
); | 2900 adjustedDescription.maxHeight = Length(DeviceHeight); |
2901 adjustedDescription.minWidth = adjustedDescription.maxWidth; | 2901 adjustedDescription.minWidth = adjustedDescription.maxWidth; |
2902 adjustedDescription.minHeight = adjustedDescription.maxHeight; | 2902 adjustedDescription.minHeight = adjustedDescription.maxHeight; |
2903 } | 2903 } |
2904 float oldInitialScale = m_pageScaleConstraintsSet.pageDefinedConstraints().i
nitialScale; | 2904 float oldInitialScale = m_pageScaleConstraintsSet.pageDefinedConstraints().i
nitialScale; |
2905 m_pageScaleConstraintsSet.updatePageDefinedConstraints(adjustedDescription,
m_size); | 2905 m_pageScaleConstraintsSet.updatePageDefinedConstraints(adjustedDescription,
m_size); |
2906 | 2906 |
2907 if (settingsImpl()->clobberUserAgentInitialScaleQuirk() | 2907 if (settingsImpl()->clobberUserAgentInitialScaleQuirk() |
2908 && m_pageScaleConstraintsSet.userAgentConstraints().initialScale != -1 | 2908 && m_pageScaleConstraintsSet.userAgentConstraints().initialScale != -1 |
2909 && m_pageScaleConstraintsSet.userAgentConstraints().initialScale * devic
eScaleFactor() <= 1) { | 2909 && m_pageScaleConstraintsSet.userAgentConstraints().initialScale * devic
eScaleFactor() <= 1) { |
2910 if (description.maxWidth == Length(100, ViewportPercentageWidth) | 2910 if (description.maxWidth == Length(DeviceWidth) |
2911 || (description.maxWidth.type() == ExtendToZoom && m_pageScaleConstr
aintsSet.pageDefinedConstraints().initialScale == 1.0f)) | 2911 || (description.maxWidth.type() == ExtendToZoom && m_pageScaleConstr
aintsSet.pageDefinedConstraints().initialScale == 1.0f)) |
2912 setInitialPageScaleOverride(-1); | 2912 setInitialPageScaleOverride(-1); |
2913 } | 2913 } |
2914 m_pageScaleConstraintsSet.adjustForAndroidWebViewQuirks(adjustedDescription,
m_size, page()->settings().layoutFallbackWidth(), deviceScaleFactor(), settings
Impl()->supportDeprecatedTargetDensityDPI(), page()->settings().wideViewportQuir
kEnabled(), page()->settings().useWideViewport(), page()->settings().loadWithOve
rviewMode(), settingsImpl()->viewportMetaNonUserScalableQuirk()); | 2914 m_pageScaleConstraintsSet.adjustForAndroidWebViewQuirks(adjustedDescription,
m_size, page()->settings().layoutFallbackWidth(), deviceScaleFactor(), settings
Impl()->supportDeprecatedTargetDensityDPI(), page()->settings().wideViewportQuir
kEnabled(), page()->settings().useWideViewport(), page()->settings().loadWithOve
rviewMode(), settingsImpl()->viewportMetaNonUserScalableQuirk()); |
2915 float newInitialScale = m_pageScaleConstraintsSet.pageDefinedConstraints().i
nitialScale; | 2915 float newInitialScale = m_pageScaleConstraintsSet.pageDefinedConstraints().i
nitialScale; |
2916 if (oldInitialScale != newInitialScale && newInitialScale != -1) { | 2916 if (oldInitialScale != newInitialScale && newInitialScale != -1) { |
2917 m_pageScaleConstraintsSet.setNeedsReset(true); | 2917 m_pageScaleConstraintsSet.setNeedsReset(true); |
2918 if (mainFrameImpl() && mainFrameImpl()->frameView()) | 2918 if (mainFrameImpl() && mainFrameImpl()->frameView()) |
2919 mainFrameImpl()->frameView()->setNeedsLayout(); | 2919 mainFrameImpl()->frameView()->setNeedsLayout(); |
2920 } | 2920 } |
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4013 const PageScaleConstraints& constraints = m_pageScaleConstraintsSet.pageDefi
nedConstraints(); | 4013 const PageScaleConstraints& constraints = m_pageScaleConstraintsSet.pageDefi
nedConstraints(); |
4014 | 4014 |
4015 if (!mainFrameImpl() || !mainFrameImpl()->frameView()) | 4015 if (!mainFrameImpl() || !mainFrameImpl()->frameView()) |
4016 return false; | 4016 return false; |
4017 | 4017 |
4018 return mainFrameImpl()->frameView()->layoutSize().width() == m_size.width | 4018 return mainFrameImpl()->frameView()->layoutSize().width() == m_size.width |
4019 || (constraints.minimumScale == constraints.maximumScale && constraints.
minimumScale != -1); | 4019 || (constraints.minimumScale == constraints.maximumScale && constraints.
minimumScale != -1); |
4020 } | 4020 } |
4021 | 4021 |
4022 } // namespace blink | 4022 } // namespace blink |
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